C132233133112121111331333133313331333132331213331333131133131211111333133313211   >>    C13223313311212111133133313331333133313233121333133313113313121111133313331321   <<    C132233133112121111331333133313331333132331213331333131133131211111333133313213   >>      C132233133112121111331333133313331333132331213331333131133131211111333133313212   >>